Cutting device for cigarette machines



March 24, 1931. E' DAN R 1,797,640

CUTTING DEVICE FOR CIGARETTE MACHINES Filed Jan. 9, 1930 3pm CW Patented Mar. 24, 1931 stares PATENT" ETIENNE DANGER, or PAnIs, FRANCE, ASSIGNOR T0 SOCIETE USINES nnconrnn, on y Banana-anon CUTTING DEVICE FOR CIGARETTE MACHINES i Application filed January 9, 1938, Serial No. 419,838, and in France January 15,1929.

The present invention has for object a device applicable to machines which manufacture cigarettes in the form of a continuous rod, and serving to cut the cigarette rod in sections of the required length in proportion as it is produced.

For obtaining a out which is perfectly at rightangles to the cigarette rod and not hindering the continuous advance of the latter, it is necessary that the cutter, as well as the support containing the cigarette rod at the place wh re the cut is to be made, participate, (luring the cutting operation, to the continuous movement of the cigarette rod.

The invention has for object to obtain a improved cutting device, capable of operating at a very high speed. I V

The apparatus belongs to the type in which the cutter receives:

1. From a first mechanism, a uniform movement of rotation about the axis parallel to the cigarette rod. I

2. From a second mechanism, a periodical oscillatory movement parallel to the cigaretterod.

With the known apparatus belon ing to this type, the speed of the cigarette machine is limited to a small value, owing to the vibrationscreated in the machine by the forces of inertia due to this last periodical oscillatory movement. H

Owing to the arrangements adopted in the apparatus forming the subject-matter of the present invention, the masses subjected to the above mentioned reciprocating movement are reduced to such an extent that even at the very high speeds necessitated by modern machines having a very great output, the vibrations to which the machine is subjected owing to the forces of inertia generated by these masses are practically imperceptible.

In accordance with the invention, the cut ter shaft carries a support on which the cutter-carrier is pivoted, the pivoting axis and the cutter being arranged on either side of the shaft, whilst a point of this cutter-carrier located between the shaft and the cutter is connected by a small link to a guidev device serving to produce the to-and-fro movement of thecutter. 7 r

the cigarette ro The movements of the cutter are obtained I in the following manner:

Movement of rotation imparted to the axis of oscillation by a plate receiving a uniform circular movement, thus driving the cutter carrier.

Oscillatory movement, by rendering a small link rigid with the rocking lever, the 1 other end of this link being compelled to re main ina fixed plane inclined on the axis of The accompanying drawing illustrates a form of construction of the device inaccordance with the invention.

Fig. 1 1s a longitudinal section.

line 2-2 of Fig.1.

On a cutter shaft 1, receiving a continuous rota'rymovement transmitted thereto by the driving shaft, is pinned a structure forming asupport 2 on which is pivoted, at 3, thecutter-carrier 4.

Y The cutter receives, in addition to the retary movement imparted thereto by the shaft 1, an oscillatory movement about the axis 3,

the direction of the latter being orthogonal Y shaft.

2 2 is a cross scctionmade according to The bowl 9 is provided for that purpose with an armlO in which is formed a slot 1 receiving a screw 12 allowing to adjust the inclination; this arm is provided with a gradnation 13, divided in units of length of cigarettes, so as to avoid fumbling.

Thebowl't) is sectioned at 14 so as not to hinder the displacements of the cutter-carrier.

During each revolution of the latter, the ring 7 of the ball bearing, driven by'the'link 5 effects also a revolution, and as said ring is obliquely held, the cutter-carrier'is compelled to rock or oscillate about its pivoting axis 3.

As it is easy toregulate the speed of translation of the cutter and of the cutter guides in concordance with that of the cigarette rod, it results from the combination of the movements obtained that, during the cutting, the relative displacement of the cutter relatively to the cigarette rod can be considered as strictly perpendicular to the latter.

It is to be understood that the number, the shape, the arrangement and the assemblage of the various parts can be modified in any suitable manner Without departing from the scope of the invention.

.The ball bearing can be replaced by a double abutment, or by any other combination allowing to obtain the movement described.

Claim:

In acutter device for cigarette machines forming a cigarette rod receiving a continuous movement-,- the combination of a cutter shaft receiving a rotary movement, a support mounted on this shaft and rotating with the same, a cutter-carrier pivoted on the said support on one side of the said shaft, a cutter secured on the said su ort on the opposite side of the shaft, a small link pivoted on the cutter-carrier at a point located between the said shaft and the cutter, and means for producinga to-and-fro movement of the said link and of the said cutter.

In testimony whereof I have hereunto affixed my signature.

ETIENNE DANGER. 

